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OpenStack Victoria : Magnum 設定 (Control ノード)2021/03/26

 
OpenStack Container Infrastructure Management Service(Magnum)をインストールします。
当例では以下のような環境を例に Network ノードに Magnum サービス一式をインストールします。
------------+---------------------------+---------------------------+------------
            |                           |                           |
        eth0|10.0.0.30              eth0|10.0.0.50              eth0|10.0.0.51
+-----------+-----------+   +-----------+-----------+   +-----------+-----------+
|    [ Control Node ]   |   |    [ Network Node ]   |   |    [ Compute Node ]   |
|                       |   |                       |   |                       |
|  MariaDB    RabbitMQ  |   |      Open vSwitch     |   |        Libvirt        |
|  Memcached  httpd     |   |     Neutron Server    |   |     Nova Compute      |
|  Keystone   Glance    |   |       OVN-Northd      |   |      Open vSwitch     |
|  Nova API             |   |     Cinder Volume     |   |   OVN Metadata Agent  |
|  Cinder API           |   |      iSCSI Target     |   |     OVN-Controller    |
|  Barbican API         |   |     Heat API/Engine   |   |                       |
|                       |   |     Magnum Services   |   |                       |
+-----------------------+   +-----------------------+   +-----------------------+

[1] Control ノードの Keystone に Magnum 用のユーザー等々を登録しておきます。
# [service] プロジェクト所属で [magnum] ユーザーを作成

[root@dlp ~(keystone)]#
openstack user create --domain default --project service --password servicepassword magnum

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| default_project_id  | affa3a6446154e37adfd233c437bacc1 |
| domain_id           | default                          |
| enabled             | True                             |
| id                  | 6e7bbd6aad8a49808a04b91c50f15d9d |
| name                | magnum                           |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# [magnum] ユーザーを [admin] ロール に加える

[root@dlp ~(keystone)]#
openstack role add --project service --user magnum admin
# [magnum] 用サービスエントリ作成

[root@dlp ~(keystone)]#
openstack service create --name magnum --description "OpenStack Containers Orchestration" container-infra

+-------------+------------------------------------+
| Field       | Value                              |
+-------------+------------------------------------+
| description | OpenStack Containers Orchestration |
| enabled     | True                               |
| id          | 0e635df9c38b4742a3b80f8b7c904fb3   |
| name        | magnum                             |
| type        | container-infra                    |
+-------------+------------------------------------+

# Magnum API ホストを定義

[root@dlp ~(keystone)]#
export magnum_api=10.0.0.50
# [magnum] 用エンドポイント作成 (public)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne container-infra public http://$magnum_api:9511/v1

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 8fa825eaffc84df398b347357e67f4e2 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 0e635df9c38b4742a3b80f8b7c904fb3 |
| service_name | magnum                           |
| service_type | container-infra                  |
| url          | http://10.0.0.50:9511/v1         |
+--------------+----------------------------------+

# [magnum] 用エンドポイント作成 (internal)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne container-infra internal http://$magnum_api:9511/v1

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 2f778ae30cf841d5a52873743001c727 |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 0e635df9c38b4742a3b80f8b7c904fb3 |
| service_name | magnum                           |
| service_type | container-infra                  |
| url          | http://10.0.0.50:9511/v1         |
+--------------+----------------------------------+

# [magnum] 用エンドポイント作成 (admin)

[root@dlp ~(keystone)]#
openstack endpoint create --region RegionOne container-infra admin http://$magnum_api:9511/v1

+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 84ddd84b323e4d5ea73e18e121a425e7 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 0e635df9c38b4742a3b80f8b7c904fb3 |
| service_name | magnum                           |
| service_type | container-infra                  |
| url          | http://10.0.0.50:9511/v1         |
+--------------+----------------------------------+

# [magnum] ドメイン作成

[root@dlp ~(keystone)]#
openstack domain create --description "Containers projects and users" magnum

+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | Containers projects and users    |
| enabled     | True                             |
| id          | 086aeb0350e74f468504931dbf4a1551 |
| name        | magnum                           |
| options     | {}                               |
| tags        | []                               |
+-------------+----------------------------------+

# [magnum_domain_admin] ユーザー作成

[root@dlp ~(keystone)]#
openstack user create --domain magnum --password servicepassword magnum_domain_admin

+---------------------+----------------------------------+
| Field               | Value                            |
+---------------------+----------------------------------+
| domain_id           | 086aeb0350e74f468504931dbf4a1551 |
| enabled             | True                             |
| id                  | 05260c80dd594d8f97ff2465ef47646c |
| name                | magnum_domain_admin              |
| options             | {}                               |
| password_expires_at | None                             |
+---------------------+----------------------------------+

# [magnum_domain_admin] ユーザーを [admin] ロール に加える

[root@dlp ~(keystone)]#
openstack role add --domain magnum --user-domain magnum --user magnum_domain_admin admin
[2] Magnum 用のユーザーとデータベースを MariaDB に作成しておきます。
[root@dlp ~(keystone)]#
mysql -u root -p

Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 104
Server version: 10.3.27-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> create database magnum; 
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all privileges on magnum.* to magnum@'localhost' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all privileges on magnum.* to magnum@'%' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> flush privileges; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> exit 
Bye
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